package com.csc.netty;

import com.csc.base.SessionManager;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;

import java.util.Scanner;

/**
 * @description:
 * @author: ChenShuCheng
 * @create: 2021-06-07 21:02
 **/
public class NettyClient {

    public void connect(int port,String host){
        EventLoopGroup group = new NioEventLoopGroup();

        try {
            Bootstrap b = new Bootstrap();
            b.group(group).channel(NioSocketChannel.class)
                    .option(ChannelOption.TCP_NODELAY,true)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        protected void initChannel(SocketChannel ch) throws Exception {
                            ch.pipeline().addLast(new MiniMQClientHandler());
                        }
                    });
            ChannelFuture f = b.connect(host, port).sync();
            f.channel().closeFuture().sync();


        } catch (InterruptedException e) {
            e.printStackTrace();
            group.shutdownGracefully();
        }
    }

    public static void main(String[] args) {
        new Thread(){
            @Override
            public void run() {
                Scanner scanner = new Scanner(System.in);
                while (scanner.hasNext()){
                    String s = scanner.nextLine();
                    SessionManager.INSTANCE.sendMsg(s);
                }
            }
        }.start();
        NettyClient client = new NettyClient();
        client.connect(8989,"127.0.0.1");
    }
}
